If57 update

ports/raspberrypi/boards/pimoroni_inky_frame_5_7/board.c

@@ -33,14 +33,17 @@
 #include "shared-module/displayio/__init__.h"
 #include "shared-bindings/board/__init__.h"
 #include "supervisor/shared/board.h"
+#include "inky-shared.h"
 
 #define DELAY 0x80
 
+digitalio_digitalinout_obj_t enable_pin_obj;
+
 // This is an SPD1656 control chip. The display is a 5.7" ACeP EInk.
 
 const uint8_t display_start_sequence[] = {
     0x01, 4, 0x37, 0x00, 0x23, 0x23, // power setting
-    0x00, 2, 0xef, 0x08, // panel setting (PSR)
+    0x00, 2, 0xe3, 0x08, // panel setting (PSR, 0xe3: no rotation)
     0x03, 1, 0x00, // PFS
     0x06, 3, 0xc7, 0xc7, 0x1d, // booster
     0x30, 1, 0x3c, // PLL setting
@@ -62,6 +65,13 @@ const uint8_t refresh_sequence[] = {
 };
 
 void board_init(void) {
+    // Drive the EN_3V3 pin high so the board stays awake on battery power
+    enable_pin_obj.base.type = &digitalio_digitalinout_type;
+    common_hal_digitalio_digitalinout_construct(&enable_pin_obj, &pin_GPIO2);
+    common_hal_digitalio_digitalinout_switch_to_output(&enable_pin_obj, true, DRIVE_MODE_PUSH_PULL);
+
+    // Never reset
+    common_hal_digitalio_digitalinout_never_reset(&enable_pin_obj);
     fourwire_fourwire_obj_t *bus = &allocate_display_bus()->fourwire_bus;
     busio_spi_obj_t *spi = common_hal_board_create_spi(0);
 
@@ -89,7 +99,7 @@ void board_init(void) {
         480,  // ram_height
         0,  // colstart
         0,  // rowstart
-        180,  // rotation
+        0,  // rotation
         NO_COMMAND,  // set_column_window_command
         NO_COMMAND,  // set_row_window_command
         NO_COMMAND,  // set_current_column_command
@@ -103,7 +113,7 @@ void board_init(void) {
         28.0,  // refresh_time
         NULL,  // busy_pin
         false,  // busy_state
-        30.0, // seconds_per_frame
+        40.0, // seconds_per_frame
         false,  // always_toggle_chip_select
         false, // grayscale
         true, // acep

ports/raspberrypi/boards/pimoroni_inky_frame_5_7/inky-shared.h

@@ -0,0 +1,8 @@
+#ifndef PIMORONI_INKY_SHARED
+#define PIMORONI_INKY_SHARED
+
+#include "shared-bindings/digitalio/DigitalInOut.h"
+
+extern digitalio_digitalinout_obj_t enable_pin_obj;
+
+#endif // PIMORONI_INKY_SHARED

ports/raspberrypi/boards/pimoroni_inky_frame_5_7/mpconfigboard.mk

@@ -24,4 +24,6 @@ CFLAGS += -DCYW43_PIN_WL_HOST_WAKE=24 -DCYW43_PIN_WL_REG_ON=23 -DCYW43_WL_GPIO_C
 # Must be accompanied by a linker script change
 CFLAGS += -DCIRCUITPY_FIRMWARE_SIZE='(1536 * 1024)'
 
-FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_NeoPixel
+FROZEN_MPY_DIRS += $(TOP)/frozen/circuitpython-pcf85063a
+FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_Register
+FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_SD

ports/raspberrypi/boards/pimoroni_inky_frame_5_7/pins.c

@@ -2,13 +2,46 @@
 
 #include "supervisor/board.h"
 #include "shared-module/displayio/__init__.h"
+#include "py/objtuple.h"
+#include "py/qstr.h"
+
+#include "inky-shared.h"
+
+// for use with keypad.ShiftRegisterKeys: map keycode (bit-number)
+// to logical names board.KEYCODES.SW_A etc.
+// N.B.: labels and bit-numbers in the schematic are reversed, i.e.
+//       SW_A on D0 has bit-number 7
+
+STATIC const qstr board_keycodes_fields[] = {
+    MP_QSTR_SW_A,
+    MP_QSTR_SW_B,
+    MP_QSTR_SW_C,
+    MP_QSTR_SW_D,
+    MP_QSTR_SW_E,
+    MP_QSTR_RTC_ALARM,
+    MP_QSTR_EXT_TRIGGER,
+    MP_QSTR_INKY_BUS
+};
+
+STATIC MP_DEFINE_ATTRTUPLE(
+    board_keycodes_obj,
+    board_keycodes_fields,
+    8,
+    MP_ROM_INT(7),
+    MP_ROM_INT(6),
+    MP_ROM_INT(5),
+    MP_ROM_INT(4),
+    MP_ROM_INT(3),
+    MP_ROM_INT(2),
+    MP_ROM_INT(1),
+    MP_ROM_INT(0)
+    );
 
 STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
 
     { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO0) },
     { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO1) },
-    { MP_ROM_QSTR(MP_QSTR_HOLD_SYS_EN), MP_ROM_PTR(&pin_GPIO2) },
     { MP_ROM_QSTR(MP_QSTR_I2C_INT), MP_ROM_PTR(&pin_GPIO3) },
 
     { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO4) },
@@ -39,6 +72,10 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_INKY_RES), MP_ROM_PTR(&pin_GPIO27) },
     { MP_ROM_QSTR(MP_QSTR_INKY_DC), MP_ROM_PTR(&pin_GPIO28) },
 
+    { MP_ROM_QSTR(MP_QSTR_VOLTAGE_MONITOR), MP_ROM_PTR(&pin_GPIO29) },
+    { MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_GPIO29) },
+
+    { MP_ROM_QSTR(MP_QSTR_PICO_LED), MP_ROM_PTR(&pin_CYW0) },
     { MP_ROM_QSTR(MP_QSTR_SMPS_MODE), MP_ROM_PTR(&pin_CYW1) },
     { MP_ROM_QSTR(MP_QSTR_VBUS_SENSE), MP_ROM_PTR(&pin_CYW2) },
 
@@ -48,5 +85,7 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
 
     { MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].epaper_display)},
+    { MP_ROM_QSTR(MP_QSTR_ENABLE_DIO), MP_ROM_PTR(&enable_pin_obj)},   // GP2
+    { MP_ROM_QSTR(MP_QSTR_KEYCODES), MP_ROM_PTR(&board_keycodes_obj)},
 };
 MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);